2240037440 has 56 divisors (see below), whose sum is σ = 5394091320. Its totient is φ = 885936128.

The previous prime is 2240037407. The next prime is 2240037451. The reversal of 2240037440 is 447300422.

It can be written as a sum of positive squares in 4 ways, for example, as 366186496 + 1873850944 = 19136^2 + 43288^2 .

2240037440 is a modest number, since divided by 37440 gives 2240 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10847 + ... + 67806.

Almost surely, 2^2240037440 is an apocalyptic number.

2240037440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240037440 is an abundant number, since it is smaller than the sum of its proper divisors (3154053880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2240037440 is an equidigital number, since it uses as much as digits as its factorization.

2240037440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78759 (or 78749 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 2240037440 is about 47329.0337953354. The cubic root of 2240037440 is about 1308.4338138397.

Adding to 2240037440 its reverse (447300422), we get a palindrome (2687337862).

The spelling of 2240037440 in words is "two billion, two hundred forty million, thirty-seven thousand, four hundred forty".